/Engine/Source/Runtime/GeometryCore/Public/Spatial/SpatialInterfaces.h
Find nearest triangle from the given ray
true if hit, false if no hit found
bool FindNearestHitTriangle ( const FRay3d & Ray, double & NearestT, int & TID, FVector3d & BaryCoords, const [FQueryOptions](API\Runtime\GeometryCore\Spatial\IMeshSpatial\FQueryOptions) & Options ) const